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Browse by Category: Main > Material Science
Class Information
Number: 208/23
Name: Mineral oils: processes and products > Products and compositions > Asphalts, tars, pitches and resins > Admixtures
Description: Products and compositions which are mixtures of a natural asphalt, petroleum asphalt, tar, pitch, or resin with each other or with some other mineral oil, and methods of mixing such ingredients.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8656950 Drag reduction of asphaltenic crude oils Feb. 25, 2014
8616236 Drag reduction of asphaltenic crude oils Dec. 31, 2013
8575082 Additive to improve flow, reduce power consumption and pressure drop in heavy oil pipelines Nov. 5, 2013
8450251 Drag reduction of asphaltenic crude oils May. 28, 2013
8450250 Drag reduction of asphaltenic crude oils May. 28, 2013
8450249 Drag reduction of asphaltenic crude oils May. 28, 2013
8426498 Drag reduction of asphaltenic crude oils Apr. 23, 2013
8404164 Composition for pelletized bitumen and method for preparing the same Mar. 26, 2013
8252168 Methods and systems for modifying asphalts Aug. 28, 2012
8231775 Pitch composition Jul. 31, 2012
8226921 Raw coke for electricity storage carbon material and needle coke Jul. 24, 2012
8221105 System for hot asphalt cooling and pelletization process Jul. 17, 2012
8193401 Composition of hydrocarbon fuel Jun. 5, 2012
8137530 Process for producing petroleum coke Mar. 20, 2012
8022118 Drag reduction of asphaltenic crude oils Sep. 20, 2011
8007657 Preparation and treating of bituminous compositions Aug. 30, 2011
7988846 Methods and systems for modifying asphalts Aug. 2, 2011
7968020 Hot asphalt cooling and pelletization process Jun. 28, 2011
7964173 Feedstock composition and raw coke for electricity storage carbon material and needle coke Jun. 21, 2011
7959888 Raw coke for electricity storage carbon material and needle coke Jun. 14, 2011
7906010 Use of steam cracked tar Mar. 15, 2011
7901563 Preparation of industrial asphalt Mar. 8, 2011
7625479 Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content Dec. 1, 2009
7393449 Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content Jul. 1, 2008
7282135 Low viscosity, high carbon yield pitch product Oct. 16, 2007
7252755 Viscosity modification of heavy hydrocarbons Aug. 7, 2007
7094331 Viscosity modification of heavy hydrocarbons using dihydric alcohols Aug. 22, 2006
7067050 Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content Jun. 27, 2006
7008526 Processes for producing coke, artificial graphite and carbon material for negative electrode of non-aqueous solvent type secondary battery and pitch composition used therefor Mar. 7, 2006
6717021 Solvating component and solvent system for mesophase pitch Apr. 6, 2004
6659684 System for repairing bituminous wearing courses Dec. 9, 2003
6478951 Compatibilizer for crumb rubber modified asphalt Nov. 12, 2002
6383365 Low softening point petroleum pitch and sealer May. 7, 2002
6361591 Sealer from asphalt and pitch Mar. 26, 2002
6352637 High coking value pitch Mar. 5, 2002
6277904 Tires/retreads including trinidad lake asphalt as a component thereof Aug. 21, 2001
6267809 Driveway sealer using phase stable pourable pitch Jul. 31, 2001
5843298 Method of production of solids-free coal tar pitch Dec. 1, 1998
5746906 Coal tar pitch blend having low polycyclic aromatic hydrocarbon content and method of making thereof May. 5, 1998
5711796 Bituminous compositions having enhanced performance properties Jan. 27, 1998
5632884 Asphalt compositions, method of preparation, and use May. 27, 1997
5534134 Low PAH pitch and process for same Jul. 9, 1996
5248407 Storage stable polymer modified asphalt paving binder Sep. 28, 1993
5192420 Vibration damper obtained by adjusting the resin and aromatic components of the asphalt base Mar. 9, 1993
5114648 Method of producing products from rubber compositions May. 19, 1992
5080777 Refining of heavy slurry oil fractions Jan. 14, 1992
5037697 Carbon fiber and process for producing the same Aug. 6, 1991
4978393 Process for the manufacture of stockable dense road asphalts Dec. 18, 1990
4904305 Novel asphaltic composition Feb. 27, 1990
4851260 Process for producing a penetrative asphaltic binder and applying the binder to a granular material Jul. 25, 1989

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